Home / 380,597.43-525,256.47-210,847.35

Finding the Fourth Proportional to 380,597.43, 525,256.47 and 210,847.35

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Solution

The fourth proportional to 380,597.43, 525,256.47 and 210,847.35 is: 290,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,597.43 : 525,256.47 = 210,847.35 : x
  2. Step 2: Convert to fraction form
    380,597.43/525,256.47 = 210,847.35/x
  3. Step 3: Cross multiply
    380,597.43x = 525,256.47 × 210,847.35
  4. Step 4: Simplify right side
    380,597.43x = 110,748,934,769.86
  5. Step 5: Solve for x
    x = 110,748,934,769.86/380,597.43
  6. Step 6: Final answer
    x = 290,987.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.